<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>图片占位符</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f0f0f0;
        }
        .placeholder {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background-color: #ddd;
            width: 100%;
            height: 100%;
            color: #666;
            font-family: Arial, sans-serif;
        }
        .placeholder::before {
            content: "游戏图片";
            font-size: 24px;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <div class="placeholder"></div>
</body>
</html>